Answer:
B
Step-by-step explanation:
First, let's rearrange the given equation into something more recognizable. If we add 13 to both sides, we now have the polynomial
. We can now use the quadratic formula to solve.
Remember that the quadratic formula is

Substitute the numbers from the equation into the formula.

Simplify:


Here, I'm going to assume that there was a mistype in option B because if we divide out the 2 we end up with
.
Hope this helps!
The volume is scale factor³
Take the square root of the volume ratio

which is


The ratio of their radii is 3 : 5
All you really have to do is divide 80.0 by 16.0
80.0 divided by 16.0= 5
so 5 is your answer!
Answer:
b
Step-by-step explanation:
Answer:
120 is the answer to the question